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KEO Counterbore: For M4 Screw, 8 mm Bore Dia, 4.5 mm Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For M4 Screw, 8 mm Bore Dia, 4.5 mm Pilot Dia

The KEO Counterbore is a built-in-pilot counterbore designed for M4 screws, featuring an 8 mm bore diameter and a 4.5 mm pilot diameter. This standard tool is constructed from TiN coated cobalt, as indicated by…

SKU 3G-OTH-202307

Brand
KEO
Item
Counterbore: For M4 Screw, 8 mm Bore Dia, 4.5 mm Pilot Dia
Category
Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-222
Type
TiN Coated Cobalt
Bore Dia
8 mm
Pilot Dia
4.5 mm
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Technical Documents

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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Counterbore is a built-in-pilot counterbore designed for M4 screws, featuring an 8 mm bore diameter and a 4.5 mm pilot diameter. This standard tool is constructed from TiN coated cobalt, as indicated by manufacturer part number 902-000-222.

Used in

Common applications for KEO
Metalworking — KEO plain-tip center drills for creating accurate starting points in lathe operations
Automotive manufacturing — KEO bell-tip center drills for countersinking holes in engine components
Aerospace machining — KEO radius-tip center drills for reducing stress risers in critical parts
General machining — KEO keyseat cutters for milling keyways in shafts and gears
Tool and die making — KEO TiN-coated center drills for extended tool life in hardened steels
Precision engineering — KEO cobalt center drills for high-temperature alloy applications

KEO Products

3G Electric supplies KEO built-in-pilot counterbores. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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